13383720 has 192 divisors, whose sum is σ = 51217920. Its totient is φ = 2967552.

The previous prime is 13383701. The next prime is 13383757. The reversal of 13383720 is 2738331.

It is a super-2 number, since 2×13383720² = 358247922076800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118384 + ... + 118496.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

Almost surely, 2^13383720 is an apocalyptic number.

13383720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13383720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25608960).

13383720 is an abundant number, since it is smaller than the sum of its proper divisors (37834200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13383720 is a wasteful number, since it uses less digits than its factorization.

13383720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13383720 is about 3658.3766891888. The cubic root of 13383720 is about 237.4245448204.

The spelling of 13383720 in words is "thirteen million, three hundred eighty-three thousand, seven hundred twenty".